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20622465222 = 2321116289467
BaseRepresentation
bin10011001101001100…
…011101100011000110
31222020012210210000020
4103031030131203012
5314213322341342
613250203000010
71330021030212
oct231514354306
958205723006
1020622465222
118822931397
123bb6509006
131c3863aa58
14dd8c39942
1580a7250ec
hex4cd31d8c6

20622465222 has 16 divisors (see below), whose sum is σ = 41440406592. Its totient is φ = 6841575720.

The previous prime is 20622465221. The next prime is 20622465289. The reversal of 20622465222 is 22256422602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20622465221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8143468 + ... + 8145999.

It is an arithmetic number, because the mean of its divisors is an integer number (2590025412).

Almost surely, 220622465222 is an apocalyptic number.

20622465222 is an abundant number, since it is smaller than the sum of its proper divisors (20817941370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20622465222 is a wasteful number, since it uses less digits than its factorization.

20622465222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16289683.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 20622465222 its reverse (22256422602), we get a palindrome (42878887824).

The spelling of 20622465222 in words is "twenty billion, six hundred twenty-two million, four hundred sixty-five thousand, two hundred twenty-two".

Divisors: 1 2 3 6 211 422 633 1266 16289467 32578934 48868401 97736802 3437077537 6874155074 10311232611 20622465222